diff --git a/src/main/java/com/example/pladialmserver/booking/controller/BookingController.java b/src/main/java/com/example/pladialmserver/booking/controller/BookingController.java
index e9fbbb96..2c66ca22 100644
--- a/src/main/java/com/example/pladialmserver/booking/controller/BookingController.java
+++ b/src/main/java/com/example/pladialmserver/booking/controller/BookingController.java
@@ -71,6 +71,24 @@ public ResponseCustom cancelBookingOffice(
 
     //////////////////////////////////////////////////////////////////////////////////////////
 
+    /**
+     * 자원 예약 반납
+     */
+    @Operation(summary = "자원 예약 반납", description = "자원 예약을 반납한다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "(S0001)자원 에약 취소 성공", content = @Content(schema = @Schema(implementation = ResponseCustom.class))),
+            @ApiResponse(responseCode = "403", description = "(G0002)접근권한이 없습니다.", content = @Content(schema = @Schema(implementation = ResponseCustom.class))),
+            @ApiResponse(responseCode = "404", description = "(B0006)존재하지 않는 예약입니다. (U0001)사용자를 찾을 수 없습니다.", content = @Content(schema = @Schema(implementation = ResponseCustom.class))),
+            @ApiResponse(responseCode = "409", description = "(B0007)이미 취소된 예약입니다. (B0008)이미 사용이 완료된 예약입니다. (B0009)사용중인 상태에서만 반납이 가능합니다.", content = @Content(schema = @Schema(implementation = ResponseCustom.class)))
+    })
+    @PatchMapping("/resources/{resourceBookingId}")
+    public ResponseCustom returnBookingResource(
+            @Parameter(description = "(Long) 자원 예약 Id", example = "1") @PathVariable(name = "resourceBookingId") Long resourceBookingId
+    ){
+        bookingService.returnBookingResource(resourceBookingId);
+        return ResponseCustom.OK();
+    }
+
 
     /**
      * 자원 예약 취소
diff --git a/src/main/java/com/example/pladialmserver/booking/entity/ResourceBooking.java b/src/main/java/com/example/pladialmserver/booking/entity/ResourceBooking.java
index 005fb2ea..3af97d03 100644
--- a/src/main/java/com/example/pladialmserver/booking/entity/ResourceBooking.java
+++ b/src/main/java/com/example/pladialmserver/booking/entity/ResourceBooking.java
@@ -54,4 +54,6 @@ public class ResourceBooking {
   public void cancelBookingResource() {
     status = BookingStatus.CANCELED;
   }
+
+  public void returnBookingResource() { status = BookingStatus.FINISHED; }
 }
diff --git a/src/main/java/com/example/pladialmserver/booking/service/BookingService.java b/src/main/java/com/example/pladialmserver/booking/service/BookingService.java
index 3ffbcc98..503681e1 100644
--- a/src/main/java/com/example/pladialmserver/booking/service/BookingService.java
+++ b/src/main/java/com/example/pladialmserver/booking/service/BookingService.java
@@ -118,4 +118,21 @@ public void cancelBookingResource(Long resourceBookingId) {
         resourceBooking.cancelBookingResource();
         resourceBookingRepository.save(resourceBooking);
     }
+
+    @Transactional
+    public void returnBookingResource(Long resourceBookingId) {
+        User user = userRepository.findById(1L)
+                .orElseThrow(() -> new BaseException(BaseResponseCode.USER_NOT_FOUND));
+        ResourceBooking resourceBooking = resourceBookingRepository.findById(resourceBookingId)
+                .orElseThrow(() -> new BaseException(BaseResponseCode.BOOKING_NOT_FOUND));
+
+        // 사용자가 예약한 경우가 아니면
+        if(!resourceBooking.getUser().equals(user)) throw new BaseException(BaseResponseCode.NO_ATUTHENTIFICATION);
+        // 사용중 아니라면 -> 사용중 상태에서만 반납이 가능함
+        if(!resourceBooking.getStatus().equals(BookingStatus.USING)) throw new BaseException(BaseResponseCode.MUST_BE_IN_USE);
+
+        // 예약 반납
+        resourceBooking.returnBookingResource();
+        resourceBookingRepository.save(resourceBooking);
+    }
 }
diff --git a/src/main/java/com/example/pladialmserver/global/exception/BaseResponseCode.java b/src/main/java/com/example/pladialmserver/global/exception/BaseResponseCode.java
index fb43a994..19d6783f 100644
--- a/src/main/java/com/example/pladialmserver/global/exception/BaseResponseCode.java
+++ b/src/main/java/com/example/pladialmserver/global/exception/BaseResponseCode.java
@@ -27,6 +27,7 @@ public enum BaseResponseCode {
     BOOKING_NOT_FOUND("B0006", HttpStatus.NOT_FOUND, "존재하지 않는 예약입니다."),
     ALREADY_CANCELED_BOOKING("B0007", HttpStatus.CONFLICT, "이미 취소된 예약입니다."),
     ALREADY_FINISHED_BOOKING("B0008", HttpStatus.CONFLICT, "이미 사용이 완료된 예약입니다."),
+    MUST_BE_IN_USE("B0009", HttpStatus.CONFLICT, "사용중인 상태에서만 반납이 가능합니다."),
 
     // Office
     OFFICE_NOT_FOUND("O0001", HttpStatus.NOT_FOUND, "존재하지 않는 회의실입니다."),